20061214 Ver 2_Site Plan_20070301

CONSTRUCTION SE UENCE (FOR BMP #1) + SCHEDULE APRE-CONSTRUCTION MEETIN WITH THE TOWN
\ \ CONSTRUCTION INSPECTOR AND ENVIRONMENTAL SPECIALIST ~ ~ \ \ r ~ / ~
\ ~ ~ (557-3938). \ \ l ~ \ \ ~ ~ ~ OBTAIN GRADIN PERMI F \ ~ ) \ G T ROM THE TOWN OF HOLLY SPRINGS. TOP SLAB
~ \ \ \ \ \ \ ~ INSTALL SILT FENCE AND TREE PROTECTION FENCE AS SHOWN. \ \ It 1 \ \ / i
\ \ ~ \ \ \ ~ OBTAIN CERTIFICATE OF COMPLIANCE THROUGH AN ON-SITE I ~ 367.70 VOID SPACE \ \ I / INSPECTION BY TOWN ENVIRONMENTAL SPECIALIST. WEIR ORIFICE PACE
~ \ \ I / / ~ \ i \ I I a PROCEED WITH THE GRADING FOR THE CONSTRUCTED WETLAND AND ~ \ \ \ 1 ri
\ \ ~ ADD RISER WITH TEMPORARY SKIMMER A5 SHOWN, \ \ \ \ \ I + SEED AND MULCH DENUDED AREA WITHING 15 DAYS AFTER FINI 4'x4' PRECAST RCP BOX
~ I ~ \ ~ ~ ~ 100 TOF~S~ I ~ ` I I ~ ~ \ \ \ ~ SHED \ \ I \ \ \ \ ` GRADES ARE ESTABLISHED. 1/4"x 2" STEEL STRAP W/
\ \ \ \ 1 \ \ • MAINTAIN SOIL EROSION CONTROL MEASURES UNTIL SITE IS \ \ ~ 2 - 3/4" ANCHOR BOLTS 2 STRAPS REQ'D
? I ~ ~ ~ ~ ~ \ ~BUFF~ER ` \ 1 ~ \ \ ~ \ I 1 PREMANENTLY STABLIZED. \ \ , \ ~ \ ~ ~ RE UEST FINAL APPROVAL FOR REMOVAL OF EROSION CONTR
\ \ \ \ \ \ I DEVICES BY TOWN ENVIRONMENTAL SPECIALIST. I ,
~ \ ' REMOVE SKIMMER FROM RISE 1 T \ ~ \ .,.,E R, S L AND DEBRIS FROM BMP, AND,~LL 0-RING JOINT ~ \ \ I ~ \ \ \ OTHER SOIL EROSION CONTROL MEASURES AND STABILIZE THESE ARES.
\ V 1 7\ ORIFICE OUTLET \ \ \ \ \ ALL WETLAND PLANTS TO BE INSTALLED AT THIS TIME. \ ~ \ 366.00 NORMAL POOL
i ) I 1 I 04 TORS ~ NOTE:
\ ~ 2"x2" TEE I UFF \ E ~ \ 'x2" TEE PLACE STEM SUPPORTS AT 3' FROM BASE
\ ~ \ I \ 1
1 \ Jl~~1CiJ E FUSIU , I JOINT SEALED WITH A--LOCK NEOPRENE
I k I r 1 S aF1 F 1 \ ~ ~ I V GASKET CAST IN MANHOLE WALL
~ r I I / \ / ~ I \ GROUT EACH SIDE
I , MANHOLE RING & COVER ~ t I 1 1 I CENTERED OVER I ~
/ I ~ I~ / SPII~LWA ~ I I ~ DRAWDOWN UALVE c"~ I / I ~ \ \ 6 NRS GATE VALVE I I
I ~ I AT A \ I T CH SKIMMER I
~ \ ~ I ~ Of THIS ~ \ ~ ~ °1` , ~ I ~ FOR EROSION CONTROL ~ I I ` \ ! ~ I PHASE OF PROJECT I I ~r "x2" TE 62 LF - 30"
I I I \ 6 PRECAST ~ X2 ° E - I 1 / CONCRETE SLAB 363.00 POND BOTTOM 'O--RING' GASKETED
I I 1 \ I I 1 \ CLASS III RCP 0 4.52%
*~E-R~(: PIPE W ~ + ~ ~ ~ 1 \ ~-,y V VOID SPACE / / / / / / / / , /r / I I
~ J AND STRUCT E + ~ ~ ~ _
*TEMP. ~ w -~1 ~ 1100 YR~ ~ I I / / ~ . ~ . . I PRECAST / / ~ . l \ . I I J REINFORCED BOX ~ ~ I ~ ° •
1 I I / 4 e~ qY + r ~ ~ I
- -._..i ~ ri / r-~--' I /
i PE D-11 ~ lW I W ~ a ~ y~aiT AER , ~ ~ ~N~&R STUDY / r l I I ! / EVI CE DETAIL
~ ~ 80 ~ + + ~ /l _ - 80 p NTS ffrs
/ " 0 ~ /
I ~ / / r- _ BMP 1 TO BE USED A T MP RARY I A / / / # S E 0 SED MENT ND
~ I ( / / / EROSION CONTROL DEVICE. UPON APPROVAL BY TOHS I / ( RCP RISER
~ ---JB ~-1 ~ ~ r i i ~i ~i- ~ swM ~ ' ~ SWM / ~ ~ J ~ 1~1 ESMT / ~ I BMP TO BE CONVERTED TO CONSTRUCTED WETLAND. T I D I I I TEMPORARY SKIMMMER I I
/ / I / / I I 100-YEAR AR /TOP OF DAM EL.= 370.00
~~'\WI~ RLIN~R yF ~ ESMT ~ + / / ~ ~ 111\ / / / , TOP SLAB EL.- 368.84' / / / / I WATER LEJEL DURING STORM IT=11T= 8.84'
~7 I I 11= _ -
! I I II I / ~ ~ ~-I ~ / / ~ II-III_ WATER QUALITY POOL (1-1 I_I I Imo) I Ii MINIMUM SLOPE 3 : 1
/ r / I ! / r ~ I ~ t ~ - . ~ I_ / / I
a I --III----I I / I v P I- / / ~ I I -I _ II-III _ MINIMUM SLOPE 2 1
/ ~\a,\ ~ _~,1= POOL I ~ ~ ~ I .III-1 / / 1 I ~ \ 1 -III- . - I~III
~ ~ ~ ~ \ \ ~ \ ~ \ ~ I i'o J i rn III 1~ o \ ~ \ / ~ t I I I° _ ~ » 1 0 _I I1-1I I_ ~ • -1) ARTH DAM
I DIMENSIONS ELEV. I I-- :..4 - -I I I- 7 I 4
I ~ I i ICI I I- _ .--1 I I =1 I I / / / NORMAL POOL 11 F 6 . - ~ I 1 ,$50 S 3 6 00 -I _
II- --111111=III=111 1= I I / / / POND BOTTOM 604 SF 36 . -I ~ I--I - - I \ / 3 ao -I ~ .-1 I I-f I i- t - ~ \ I III . .111_111_ )Ilya VIII SCOUR HOLE
I 1 1( - TOP OF DAM WIDTH 10 FT. 370.00 ~_I I t=I = ~ I L. I -7 III. ; , 111-1
~ ~ ~ ~ ~ i ~ I ~ ~ ~ ~ ~ ~ ~ ~ I ~ ~ ~ ~ / \ NORMAL POOL ORIFICE 2 366.00 ANTI-FLOATATION DEVICE I, I f / RISER SPILLWAY 4 4x12 367.70 I I, ; ,III; 111-=
I I / ~ \ I ANTI-SEEP COLLAR / WATER QUALITY POOL 0.53 AC-FT 367.70 111-1 I - Tr__TI~
~ HI 81~ ~ ~ I~ j I ~ ~ ~ + / ~ ~ i P~N;C t~ VII~gATUM, / I > \ TOP OF ANTI-FLOATATION $ x$ x2 362.00
~ ~ ~ I I I I III I C I I ~ I I 1~ ~ I _ ISWIT~H~C~,RA,9,S"I I I I I r ~ ~ TOP OF RISER 4x4 RCP BOX 368.70
t / ! OUTLET PIPE INVERT IN 30 RCP 362.00 I 1~~
~ ~ ' ~ ~ I ~ I ~ ~ I~ it ~I I ~ ~ ~I • • I` 11 ~ /y/ ~ ~ I ~ II I~ I~ / OUTLET PIPE INVERT OUT 30 RCP 359.00 I ) )f r I ( I l / 1 DRAIN VALVE ~k 363.00 ,J r WET POND BARREL CTION 62 LF 24" RCP
I / / 11 I ~ I * 4 KIMM R W ~ / S E / 3 MEAD RCP @ 4.52% NTS
/ / ~ ,
>I / / i /
~ ~ i i~ i~i~ ,r / Diu ~i i(, W ~ II ! 11 / / ~ I
\ 8 / r I P L. Af'l VIEW
I ~
~ 4 REBAR 12" ~~t~t~;,~,~,_,,~~,~,~,~ ! l ' r--' # , ! ' i O.C. EACH WAY ~I~~ cat' ~ii~l'cV`~ . 3x~;~w~r ! F r r< « f ' ( lfwi X71( le-oal ~je id fius 1 At h ru st! + f { .y C( f,1 fM.'- k ~ jro. .tl'yryr M"• ~id
V . ` \ 1/2 WREFORMED JOINT , = I I / \ FELLER, }2 WIDE / ~ I
/ 0 ~'J ~ i`~,, / / ` - y
/ 1 -
/ / 0 ~ / I / ~ - - / r
i ~ f _ , _ , 1~~ / ' " \ r,i-sub- ~Ul~ +;h ~~l-r. ~ 77,
1 ~ 1' ^ i lily,
/ ,~~p` cd~.~rity'r ~EFFU ~ ° t ' . 77 T 1 r 1v, Js u#~tt(cttirt 7.0 FT
~ ~ ~ S ~ » ~ ~ I ~ _ ~titi _G. RUSH ~ ~ `
O R~J ~ / ~ ! ~,,,5 1.2 FT
PA M VIRGAT - 0 N1C-~CJ n / 8 / / / / Y 5.0 FT r
i ~ ~ , ~ ~ ~ ~ ~ ~ ~~~°CO R HOLE i i / / SNITCH GRASS / / / / J
~ i j , ~ l / / ~ (SE -SERAIL ,/i ~ / ~ - _ / / / \ ELEVATION SECTION ~,ECTI~, d 0.5 FT' SECTION Al.-A
U F , "w.~,5:,. by6µfl dr ,7faP: / / 4 n^qvy ~r w;°cF: '~*.tYir_ Pi
~ ~ i , ~ i i o r 2000 PSF MIN. `'~~'o °~.a»nt / _,m,~ F U r , / \ B~aR,NC cApACITY SEE BMP SECTION r:OR SIZING DATA ~ ~ i 1'(If 15 No I , -jr a'
i r / / ~ BENEATH C01.LAR ` ` eo.uml
/ I I ~ F r° i~t r''~,t.;~~ ~,F:i~ frsa~a ~,~-h~s C'~ ltkr F°~~:~ / ~ ~ 1.5--ir,~:,r ~I~~
~ 1-~ ~ i /
i ~ ~ \ / / ! / ~ ~ \ UR HOLE DETAIL
/ f ~ ~ / r ~ ~ r , ~ NTS NTS x
/ 1 i I ~ ~
i ~ ~ 1 ~
/ / / / / / / / ~ / i / I ~ / / / / / ~ / ~ / ,r / i NO(E: SKIMMER MAY VARY ~ ~ SLIGHTLY FROM ILLUSTRATION r VARY VENT _ JSTRATION SCREEN ACCESSIBLE
r / ~ / / / THROUGH DOOR
~r / /
/ice/~//~ / / ~ / / O y ~ / ~ / / / / i i / / ~ 4 1 Q 4
/ / / FLOAT BARREL PIPE LONGER
/ / / / r,, ~ TOP OF DAM 370.00 OUTLET END; CONNECTION / / / ~ ~ OUTLET" PIPE OR RIS ONNEC°T TO THAN SHOWN NOT PIPE OR R RISER INCLUDED WITH SKIMMER
/ / ~ ~ SPILLWAY = 369.00 / ~ / / / / / ~ SUPPLIED BY USER
/ / / FLEXIBLE JOINT
i i/ ii~ / i/bays i~ ~ ~S / i~ / / ~ PERMANENT SOIL / 1 / / ~ / / REINFORCEMENT MATTING 'R DETAIL
~ , NTS / / t, , NTS
/ ~ / ~ o I CA •a.•••LNi RD/®®°°•®
/ 8MP #1 PLANT LIST / i , ~ S , / / ~ / ~
/ 11 / e ~I l l / / ~ / , / / I _ / ? / ~ WET MESIL MESIL COMMUNITY • p `F""I~ b~ l Ito o
/ / r ~ , \ I / ® O~ °p 91~ O O O RY
/ / \ QUA, BOTAMCAL NAME COMMON NAME SIZE SPACING ~ L / ~
122 )UNCUS EFFUSUS SOFT RU5H 3 GAL. 3 O.C. ~ 57 PANICUM VIRGATUM SWITCH GRASS 3 GAL. 3' O.C. ® APPS D OFO R gepAOSTRUCTION
BMP #1 -CONSTRUCTED WETLAND BMP #1 SCALE: 1 " = 30' ° y o Nc ~ ~k•ooo° • °°°e FAoOT ooeoooo s~~~'ve
SEDGE COMMUNITY CLAY LINER:
GRAPHIC SCALE QUA. BOTAMCAL NAME COMMON NAME SIZE SPACING THE CLAY LINER FOR THE CONSTRUCT CONSTRUCTED WETLAND SHALE BE AT LEAST 12" THICK AND
GRAPHIC SCALE 422 IRIS VIRGINICA BLUE FLAG BARE ROOT 18" O.C. MEET THE FOLLOWING SPEC1FIt;ATION 30 q 15 30 6q PECIFICATIONS:
30 0 75 30 60 #(JOTE• - 407 LOBELLIA CARDINALIS CARDINAL FLOWER QUARTS 18" O.C. UNIFIED SOIL CLASSIFICATI SCALE: ~ = 3O' 30b RUBDECKIA SUBTOMENTOSA SWEET BLACK-EYED SUSAN UART5 18" O.C. MINIMUM OF 40°!° f'ASSIN( CLASSIFICATION SYSTEM DESIGNATION OF CL, CH, ML, SC 40% PASSING #200 SIEVE
TEMPORARY CPP PIPE TO CATCH WATER FROM Q • MINIMUM PLASTICITY INDf „ 1 inch = 30 ft. ASTICITY INDEX OF 12
~ inch = 3o k. SWELL PRIOR ENTRANCE INTO BMP. SAGITTARIA LATIFOLIA, "BROADLEAF W HIGH MARSH [0-9" BELOW NORMAL POOL] (35%) - 4,148 SF ~B D-10 AND FES D-10 ARE PERMANENT ~ PELTANDRA VIRGINICA, "ARROW ARUM ~DLEAF ARROWHEAD SHALLOW WATER EMERGENT COMMUNITY MAxIMUM PERMEABILITY t :RMEABILITY OF 3.5X10 CM/SEC (0.055 1N/HR)
• A MINIMUM OF 2 TESTS OF „ r r r „ UA. BOTANICAL NAME COMMON NAME SIZE SPACING BY THE C()NTRACTt?R ON' DF 2 TESTS OF EACH ABOVE PARAMETER SHALL BE COMPLETED 'RACTOR ON THE LINER MATERIAL AND PRESENTED TO THE
STRUCTURES DESIGNED TO ADEQUATELY HANDLE rr JW ARUM > , r LOBELLIA CARDINALI~', CARDINAL FLOWER 1 4 A A ENGINEERFORAPPROVAL. r r 0 4 PELT NDRA VIRGINICA ARROW RUM QUARTS 18 O.C. iR APPROVAL.
802 SAGITTARIA LATIFOLIA BROADLEAF ARROWHEAD UARTS 18" O.C. • COMPACTION TO A MINIM Q ° 3 OF THE OPTIMUM M01' ~ TO A MINIMUM OF 93% PER ASTM D698, AND WITHIN 0 TO ,PTIMUM MOISTURE CONTENT (1 COMPACTION DENSITY TEST
LOW MARSH [9" TO 18" BELOW NORMAL POOL] (35%) - 4,143 SF THE FUTURE DEVELOPMENT. ~ SAURURUS CRENUS, "LIZARD'S TAIL" S TAIL IRIS VIRGINICA, BLUE FLAG PER25005Q,FT.) ®EEP WATER COMMUNITY H Y I I FT.)
FOR INVERT AND RIM INFORMATION SEE THE T E CLA L NER 5HA.L BE PLACED UN THE SIDE SLOPES TO AN ELEVATION 0 E PLACED UNDER THE BOTTOM OF THE, WETLAND AND UNDER ELEVATION OF 366 FT. A MINIMUM OF 8 INCHES OF TOPSOIL
OPEN WATER [36" BELOW NORMAL POOL] (30~) - 3,557 SF STORM DRAINAGE CHART ON SHEET 9. ~ PONTEDERIA CORDATA, "PICKEREL WE No. Revision Date B Designer Scale ~EREL WEED" RUDBECKIA SUBTOMENTOSA "SWEET BLACK-EYED SUSAN" ~ BOTANICAL NAME COMMON NAME SIZE 5PACING SHALL BE THE FINISHED GRADE A5 SHC 3RADE AS SHOWN ON THE DRAWINGS AND/OR DETAILS. CARE
' 1370 PONTEDERIA CODATA PICKEREL WEED BARE ROOT 18" O.C. SHALL BE TAKEN WHEN TRACKING IN 1 472 SAURURUS CERNUUS LIZARD'S TAIL BARE ROOT 18" O.C. CLAY. 'RACKING IN THE TOPSOIL TO NOT PUNCTURE OR DAMAGE THE
T~M ,~~-30~ WOODCREEK - LOCKLEY DRIVE EXTENSI
Drawn By Date TLM 10 18 06 V !!,E I NEL Sheet No.
Checked By ,obNa. HOLLY SPRINGS, NORTH CAROLINA ENGINEERS I PLANNERS I SURVEYn 10 RVLYt)RS
CHW 204232.20 111 MacKenan Drive Cary, North Carolina 27511 tel: [phone] fax: [phone] w~ --467-6008 www.withersravenel.com